A body slides down a frictionless track which ends in a circular loop of diameter $D$, then the minimum height $h$ of the body in term of $D$ so that it may just complete the loop, is
A body slides down a frictionless track which ends in a circular loop of diameter $D$, then the minimum height $h$ of the body in term of $D$ so that it may just complete the loop, is
- A
$h = \frac{{5D}}{2}$
- B
$h = \frac{{5D}}{4}$
- C
$h = \frac{{3D}}{4}$
- D
$h = \frac{D}{4}$
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